The yellow water flowing from the navel with a foul odor is mostly considered to be caused by umbilical cord infection, which is mainly treated with general treatment, medication or surgical treatment. 1. General treatment: when suffering from navel infection, the phenomenon of yellow water flowing from the navel with foul smell, should pay attention to choose comfortable and soft clothing, do not wear tight pants. At the same time to strengthen the daily care, pay attention to the umbilicus dry, hygiene. 2. medication: local disinfection, such as the application of hydrogen peroxide solution for the umbilicus for rinsing, and then use saline rinse, and then use povidone-iodine for disinfection. With oral amoxicillin, cefaclor and other antibiotics, is conducive to inhibit bacterial growth and reproduction, to prevent further aggravation of the infection. 3. Surgical treatment: the navel flowing yellow water has a bad smell, through the above treatment, if the treatment effect is not good, and the symptoms are serious, then need to consider surgical treatment, such as incision and drainage, debridement, etc., to promote the discharge of purulent matter, is conducive to the recovery of umbilical cord wounds. The yellow water flowing from the navel with a foul odor should be taken seriously, and go to the regular hospital as soon as possible, after a clear diagnosis, the doctor will guide the targeted treatment and conditioning, so as not to delay the condition.